Approximately 20% of American adults suffer from a diagnosable mental disorder each year.
About 20 percent of Americans, or one in five people over 18, suffer from a diagnosable mental disorder each year. This equates to approximately 40 million adults. Mental illnesses include major depression, bipolar disorder, schizophrenia, and obsessive-compulsive disorder.
https://brainly.com/question/20273452